#59 fixed styles

src/main/java/ru/ulstu/conference/model/ConferenceDto.java

@@ -18,8 +18,8 @@ import static ru.ulstu.core.util.StreamApiUtils.convert;
 
 public class ConferenceDto {
 
-    String BEGINDATESTRING = "Начало: ";
-    String ENDDATESTRING = "Конец: ";
+    private final static String BEGIN_DATE = "Начало: ";
+    private final static String END_DATE = "Конец: ";
 
     private Integer id;
     @NotEmpty
@@ -215,7 +215,7 @@ public class ConferenceDto {
     }
 
     public String getDatesString() {
-        return BEGINDATESTRING + beginDate.toString().split(" ")[0] + " " + ENDDATESTRING + endDate.toString().split(" ")[0];
+        return BEGIN_DATE + beginDate.toString().split(" ")[0] + " " + END_DATE + endDate.toString().split(" ")[0];
     }
 
 }